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#!/bin/sh
#
#
# pingd OCF Resource Agent
# Records (in the CIB) the current number of ping nodes a
# cluster node can connect to.
#
# Copyright (c) 2006 Andrew Beekhof
# All Rights Reserved.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of version 2 of the GNU General Public License as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it would be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
#
# Further, this software is distributed without any warranty that it is
# free of the rightful claim of any third person regarding infringement
# or the like. Any license provided herein, whether implied or
# otherwise, applies only to this software file. Patent licenses, if
# any, provided herein do not apply to combinations of this program with
# other software, or any other product whatsoever.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write the Free Software Foundation,
# Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
#
#######################################################################
# Initialization:
: ${OCF_FUNCTIONS_DIR=${OCF_ROOT}/lib/heartbeat}
. ${OCF_FUNCTIONS_DIR}/ocf-shellfuncs
#######################################################################
meta_data() {
cat <<END
<?xml version="1.0"?>
<!DOCTYPE resource-agent SYSTEM "ra-api-1.dtd">
<resource-agent name="pingd">
<version>1.0</version>
<longdesc lang="en">
Deprecation warning: This agent is deprecated and may be removed from
a future release. See the ocf:pacemaker:pingd resource agent for a
supported alternative. --
This is a pingd Resource Agent.
It records (in the CIB) the current number of ping nodes a node can connect to.
</longdesc>
<shortdesc lang="en">Monitors connectivity to specific hosts or
IP addresses ("ping nodes") (deprecated)</shortdesc>
<parameters>
<parameter name="pidfile" unique="0">
<longdesc lang="en">PID file</longdesc>
<shortdesc lang="en">PID file</shortdesc>
<content type="string" default="$HA_RSCTMP/pingd-${OCF_RESOURCE_INSTANCE}" />
</parameter>
<parameter name="user" unique="0">
<longdesc lang="en">
The user we want to run pingd as
</longdesc>
<shortdesc lang="en">The user we want to run pingd as</shortdesc>
<content type="string" default="root" />
</parameter>
<parameter name="dampen" unique="0">
<longdesc lang="en">
The time to wait (dampening) further changes occur
</longdesc>
<shortdesc lang="en">Dampening interval</shortdesc>
<content type="integer" default="1s"/>
</parameter>
<parameter name="set" unique="0">
<longdesc lang="en">
The name of the instance_attributes set to place the value in. Rarely needs to be specified.
</longdesc>
<shortdesc lang="en">Set name</shortdesc>
<content type="integer" default=""/>
</parameter>
<parameter name="name" unique="0">
<longdesc lang="en">
The name of the attributes to set. This is the name to be used in the constraints.
</longdesc>
<shortdesc lang="en">Attribute name</shortdesc>
<content type="integer" default="${OCF_RESOURCE_INSTANCE}"/>
</parameter>
<parameter name="section" unique="0">
<longdesc lang="en">
The section place the value in. Rarely needs to be specified.
</longdesc>
<shortdesc lang="en">Section name</shortdesc>
<content type="integer" default=""/>
</parameter>
<parameter name="multiplier" unique="0">
<longdesc lang="en">
The number by which to multiply the number of connected ping nodes by
</longdesc>
<shortdesc lang="en">Value multiplier</shortdesc>
<content type="integer" default=""/>
</parameter>
<parameter name="host_list" unique="0">
<longdesc lang="en">
The list of ping nodes to count. Defaults to all configured ping nodes. Rarely needs to be specified.
</longdesc>
<shortdesc lang="en">Host list</shortdesc>
<content type="integer" default=""/>
</parameter>
<parameter name="ignore_deprecation">
<longdesc lang="en">
If set to true, suppresses the deprecation warning for this agent.
</longdesc>
<shortdesc lang="en">Suppress deprecation warning</shortdesc>
<content type="boolean" default="false" />
</parameter>
</parameters>
<actions>
<action name="start" timeout="20s" />
<action name="stop" timeout="20s" />
<action name="monitor" depth="0" timeout="20s" interval="10" />
<action name="meta-data" timeout="5" />
<action name="validate-all" timeout="20s" />
</actions>
</resource-agent>
END
}
#######################################################################
pingd_usage() {
cat <<END
usage: $0 {start|stop|monitor|validate-all|meta-data}
Expects to have a fully populated OCF RA-compliant environment set.
END
}
pingd_start() {
extras=""
if [ ! -z "$OCF_RESKEY_multiplier" ]; then
extras="$extras -m $OCF_RESKEY_multiplier"
fi
if [ ! -z "$OCF_RESKEY_set" ]; then
extras="$extras -s $OCF_RESKEY_set"
fi
if [ ! -z "$OCF_RESKEY_section" ]; then
extras="$extras -S $OCF_RESKEY_section"
fi
for a_host in $OCF_RESKEY_host_list; do
extras="$extras -h $a_host"
done
pingd_cmd="${HA_BIN}/pingd -D -p $OCF_RESKEY_pidfile -a $OCF_RESKEY_name -d $OCF_RESKEY_dampen $extras"
if [ ! -z $OCF_RESKEY_user ]; then
sudo -u $OCF_RESKEY_user $pingd_cmd
else
$pingd_cmd
fi
rc=$?
if [ $rc = 0 ]; then
exit $OCF_SUCCESS
fi
ocf_log err "Could not run $pingd_cmd : rc=$rc"
exit $OCF_ERR_GENERIC
}
pingd_stop() {
if [ -f $OCF_RESKEY_pidfile ]; then
pid=`cat $OCF_RESKEY_pidfile`
fi
if [ ! -z $pid ]; then
kill -s 9 $pid
rc=$?
if [ $rc = 0 -o $rc = 1 ]; then
rm $OCF_RESKEY_pidfile
exit $OCF_SUCCESS
fi
ocf_log err "Unexpected result from kill -9 $pid: $rc"
exit $OCF_ERR_GENERIC
fi
exit $OCF_SUCCESS
}
pingd_monitor() {
if [ -f $OCF_RESKEY_pidfile ]; then
pid=`cat $OCF_RESKEY_pidfile`
fi
if [ ! -z $pid ]; then
kill -s 0 $pid
if [ $? = 0 ]; then
exit $OCF_SUCCESS
fi
fi
exit $OCF_NOT_RUNNING
}
pingd_validate() {
# Existence of the user
if [ ! -z $OCF_RESKEY_user ]; then
getent passwd "$OCF_RESKEY_user" >/dev/null
if [ $? -eq 0 ]; then
: Yes, user exists. We can further check his permission on crm_mon if necessary
else
ocf_log err "The user $OCF_RESKEY_user does not exist!"
exit $OCF_ERR_ARGS
fi
fi
# Pidfile better be an absolute path
case $OCF_RESKEY_pidfile in
/*) ;;
*) ocf_log warn "You should have pidfile($OCF_RESKEY_pidfile) of absolute path!" ;;
esac
# Check the update interval
if ocf_is_decimal "$OCF_RESKEY_update" && [ $OCF_RESKEY_update -gt 0 ]; then
:
else
ocf_log err "Invalid update interval $OCF_RESKEY_update. It should be positive integer!"
exit $OCF_ERR_ARGS
fi
echo "Validate OK"
return $OCF_SUCCESS
}
if [ $# -ne 1 ]; then
pingd_usage
exit $OCF_ERR_ARGS
fi
: ${OCF_RESKEY_pidfile:="$HA_RSCTMP/pingd-${OCF_RESOURCE_INSTANCE}"}
: ${OCF_RESKEY_name:="pingd"}
: ${OCF_RESKEY_dampen:="1s"}
if [ "$__OCF_ACTION" = "meta-data" ]; then
meta_data
exit $OCF_SUCCESS
fi
# Be obnoxious, log deprecation warning on every invocation (unless
# suppressed by resource configuration).
ocf_deprecated
case $__OCF_ACTION in
start) pingd_start
;;
stop) pingd_stop
;;
monitor) pingd_monitor
;;
validate-all) pingd_validate
;;
usage|help) pingd_usage
exit $OCF_SUCCESS
;;
*) pingd_usage
exit $OCF_ERR_UNIMPLEMENTED
;;
esac
exit $?

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